1869 (MDCCCLXIX) was a common year starting on Friday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1869th year of the Common Era (CE) and Anno Domini (AD) designations, the 869th year of the 2nd millennium, the 69th year of the 19th century, and the 10th and last year of the 1860s decade. As of the start of 1869, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.